Home / 11,949.88-17,925-4,158.96

Finding the Fourth Proportional to 11,949.88, 17,925 and 4,158.96

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Solution

The fourth proportional to 11,949.88, 17,925 and 4,158.96 is: 6,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.88 : 17,925 = 4,158.96 : x
  2. Step 2: Convert to fraction form
    11,949.88/17,925 = 4,158.96/x
  3. Step 3: Cross multiply
    11,949.88x = 17,925 × 4,158.96
  4. Step 4: Simplify right side
    11,949.88x = 74,549,358
  5. Step 5: Solve for x
    x = 74,549,358/11,949.88
  6. Step 6: Final answer
    x = 6,238.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.